# RHSA-2022:1975: Security update for 12 packages RHSA-2022:1975, released May 10, 2022, fixes 48 CVEs across 12 products. None of them is reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/fix/linux/rhsa-2022-1975 - Platform: Linux - Released: May 10, 2022 - Priority: High (Closes CVE-2021-20322, high severity) - CVEs: 48, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://access.redhat.com/errata/RHSA-2022:1975 ## Applies to | Product | Release | Fixed in | |---|---|---| | [kernel-rt](https://patchblox.com/security/data/product/linux/kernel-rt.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-core](https://patchblox.com/security/data/product/linux/kernel-rt-core.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-debug](https://patchblox.com/security/data/product/linux/kernel-rt-debug.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-debug-core](https://patchblox.com/security/data/product/linux/kernel-rt-debug-core.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-debug-devel](https://patchblox.com/security/data/product/linux/kernel-rt-debug-devel.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-debug-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-debug-kvm.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-debug-modules](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-debug-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-debug-modules-extra.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-devel](https://patchblox.com/security/data/product/linux/kernel-rt-devel.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-kvm](https://patchblox.com/security/data/product/linux/kernel-rt-kvm.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-modules](https://patchblox.com/security/data/product/linux/kernel-rt-modules.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | | [kernel-rt-modules-extra](https://patchblox.com/security/data/product/linux/kernel-rt-modules-extra.md) | RHEL 8 | 0:4.18.0-372.9.1.rt7.166.el8 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2021-20322](https://patchblox.com/security/data/cve/CVE-2021-20322.md) | High | kernel-debug-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0690 | | | [CVE-2021-3773](https://patchblox.com/security/data/cve/CVE-2021-3773.md) | High | perf: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 9.8 | 0.0528 | | | [CVE-2021-45485](https://patchblox.com/security/data/cve/CVE-2021-45485.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0382 | | | [CVE-2021-4203](https://patchblox.com/security/data/cve/CVE-2021-4203.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0175 | | | [CVE-2021-3752](https://patchblox.com/security/data/cve/CVE-2021-3752.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0174 | | | [CVE-2021-4157](https://patchblox.com/security/data/cve/CVE-2021-4157.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0158 | | | [CVE-2021-3772](https://patchblox.com/security/data/cve/CVE-2021-3772.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0124 | | | [CVE-2022-1011](https://patchblox.com/security/data/cve/CVE-2022-1011.md) | High | kernel-abi-stablelists: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0117 | | | [CVE-2021-29154](https://patchblox.com/security/data/cve/CVE-2021-29154.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0093 | | | [CVE-2021-44733](https://patchblox.com/security/data/cve/CVE-2021-44733.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0075 | | | [CVE-2021-3743](https://patchblox.com/security/data/cve/CVE-2021-3743.md) | High | kernel-rt-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 8.2 | 0.0072 | | | [CVE-2021-43389](https://patchblox.com/security/data/cve/CVE-2021-43389.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0072 | | | [CVE-2021-43976](https://patchblox.com/security/data/cve/CVE-2021-43976.md) | High | kernel-debug: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0069 | | | [CVE-2021-3612](https://patchblox.com/security/data/cve/CVE-2021-3612.md) | High | kernel-rt-debug-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 8.2 | 0.0069 | | | [CVE-2020-13974](https://patchblox.com/security/data/cve/CVE-2020-13974.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0057 | | | [CVE-2021-4197](https://patchblox.com/security/data/cve/CVE-2021-4197.md) | High | kernel-rt-devel: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 8.2 | 0.0054 | | | [CVE-2021-3744](https://patchblox.com/security/data/cve/CVE-2021-3744.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0053 | | | [CVE-2022-0286](https://patchblox.com/security/data/cve/CVE-2022-0286.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0053 | | | [CVE-2021-4002](https://patchblox.com/security/data/cve/CVE-2021-4002.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0052 | | | [CVE-2022-0001](https://patchblox.com/security/data/cve/CVE-2022-0001.md) | High | Intel: CVE-2022-0001 Branch History Injection | 8.2 | 0.0051 | | | [CVE-2020-27820](https://patchblox.com/security/data/cve/CVE-2020-27820.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0050 | | | [CVE-2021-42739](https://patchblox.com/security/data/cve/CVE-2021-42739.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0047 | | | [CVE-2022-0002](https://patchblox.com/security/data/cve/CVE-2022-0002.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0045 | | | [CVE-2022-0850](https://patchblox.com/security/data/cve/CVE-2022-0850.md) | High | kernel-rt-core: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 7.1 | 0.0043 | | | [CVE-2021-4093](https://patchblox.com/security/data/cve/CVE-2021-4093.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.8 | 0.0042 | | | [CVE-2021-41864](https://patchblox.com/security/data/cve/CVE-2021-41864.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0041 | | | [CVE-2021-45486](https://patchblox.com/security/data/cve/CVE-2021-45486.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0040 | | | [CVE-2021-37159](https://patchblox.com/security/data/cve/CVE-2021-37159.md) | High | python3-perf: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0039 | | | [CVE-2021-3759](https://patchblox.com/security/data/cve/CVE-2021-3759.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0036 | | | [CVE-2021-4037](https://patchblox.com/security/data/cve/CVE-2021-4037.md) | High | linux: A vulnerability was found in the fs/inode.c:inode_init_owner() function logic of the LInux kernel that allows local u... | 8.2 | 0.0034 | | | [CVE-2021-4083](https://patchblox.com/security/data/cve/CVE-2021-4083.md) | High | kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0031 | | | [CVE-2022-0322](https://patchblox.com/security/data/cve/CVE-2022-0322.md) | High | kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0030 | | | [CVE-2021-3669](https://patchblox.com/security/data/cve/CVE-2021-3669.md) | High | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0030 | | | [CVE-2021-26401](https://patchblox.com/security/data/cve/CVE-2021-26401.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0029 | | | [CVE-2021-3764](https://patchblox.com/security/data/cve/CVE-2021-3764.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0027 | | | [CVE-2020-0404](https://patchblox.com/security/data/cve/CVE-2020-0404.md) | High | kernel-rt-modules: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high... | 8.2 | 0.0023 | | | [CVE-2021-47614](https://patchblox.com/security/data/cve/CVE-2021-47614.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 7.8 | 0.0022 | | | [CVE-2021-0941](https://patchblox.com/security/data/cve/CVE-2021-0941.md) | High | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 8.2 | 0.0017 | | | [CVE-2021-47544](https://patchblox.com/security/data/cve/CVE-2021-47544.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 6.3 | 0.0086 | | | [CVE-2023-0459](https://patchblox.com/security/data/cve/CVE-2023-0459.md) | Routine | perf: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 6.7 | 0.0064 | | | [CVE-2021-47435](https://patchblox.com/security/data/cve/CVE-2021-47435.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 5.5 | 0.0024 | | | [CVE-2022-3105](https://patchblox.com/security/data/cve/CVE-2022-3105.md) | Routine | kernel-modules: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 5.5 | 0.0022 | | | [CVE-2022-3108](https://patchblox.com/security/data/cve/CVE-2022-3108.md) | Routine | kernel-zfcpdump-core: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 5.5 | 0.0022 | | | [CVE-2022-3106](https://patchblox.com/security/data/cve/CVE-2022-3106.md) | Routine | kernel-modules-extra: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 5.5 | 0.0022 | | | [CVE-2021-3923](https://patchblox.com/security/data/cve/CVE-2021-3923.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 3.3 | 0.0020 | | | [CVE-2023-3022](https://patchblox.com/security/data/cve/CVE-2023-3022.md) | Routine | linux: A flaw was found in the IPv6 module of the Linux kernel | 5.9 | 0.0020 | | | [CVE-2021-47556](https://patchblox.com/security/data/cve/CVE-2021-47556.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 5.5 | 0.0018 | | | [CVE-2021-47590](https://patchblox.com/security/data/cve/CVE-2021-47590.md) | Routine | bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: f... | 5.5 | 0.0016 | | --- Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo